# OC Root 2nd 3rd 4th PC Gene/Definition OC.252451 Bacteria.274896 Spirochaetes.10654 Treponema.11224 tpi.2756 tpi:TREPR_3217 phosphoribosylaminoimidazole carboxylase ncair mutase subunit; K06898 pyridinium-3,5-biscarboxylic acid mononucleotide synthase [EC:2.5.1.143] OC.252451 Bacteria.274896 Spirochaetes.10654 - ssm.3624 ssm:Spirs_3842 1-(5-phosphoribosyl)-5-amino-4-imidazole-carboxylate (AIR) carboxylase; K06898 pyridinium-3,5-biscarboxylic acid mononucleotide synthase [EC:2.5.1.143]